ceph/src/boost/libs/fiber/examples/simple.cpp

   1
   2 //          Copyright Oliver Kowalke 2013.
   3 // Distributed under the Boost Software License, Version 1.0.
   4 //    (See accompanying file LICENSE_1_0.txt or copy at
   5 //          http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <cstdlib>
   8 #include <iostream>
   9 #include <memory>
  10 #include <string>
  11 #include <thread>
  12
  13 #include <boost/intrusive_ptr.hpp>
  14
  15 #include <boost/fiber/all.hpp>
  16
  17 inline
  18 void fn( std::string const& str, int n) {
  19         for ( int i = 0; i < n; ++i) {
  20                 std::cout << i << ": " << str << std::endl;
  21                 boost::this_fiber::yield();
  22         }
  23 }
  24
  25 int main() {
  26     try {
  27         boost::fibers::fiber f1( fn, "abc", 5);
  28         std::cerr << "f1 : " << f1.get_id() << std::endl;
  29         f1.join();
  30         std::cout << "done." << std::endl;
  31
  32         return EXIT_SUCCESS;
  33     } catch ( std::exception const& e) {
  34         std::cerr << "exception: " << e.what() << std::endl;
  35     } catch (...) {
  36         std::cerr << "unhandled exception" << std::endl;
  37     }
  38         return EXIT_FAILURE;
  39 }